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If natural growth is -0.9 percent and net migration is +1.5 percent, what is the total growth rate?

Answer and explanation

Correct answer: +0.6 percent

Total population growth combines natural growth with net migration. Natural growth may be positive or negative, so its sign must be retained during calculation. Here natural growth is \(-0.9\) percent and net migration is \(+1.5\) percent.

Adding the signed rates gives \(-0.9+1.5=+0.6\) percent. Thus, migration more than compensates for the natural decrease, and the total population rises by 0.6 percent. Option C is therefore correct. Option D incorrectly adds the two absolute magnitudes, while option A treats the migration gain as if it were also negative. Option B results from subtracting in the wrong direction.

Related tags

Natural DeclinePositive MigrationTotal GrowthPopulation BalancePopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And Growth

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